Home / 397,630.66-592,234.57-395,693.11

Finding the Fourth Proportional to 397,630.66, 592,234.57 and 395,693.11

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Solution

The fourth proportional to 397,630.66, 592,234.57 and 395,693.11 is: 589,348.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,630.66 : 592,234.57 = 395,693.11 : x
  2. Step 2: Convert to fraction form
    397,630.66/592,234.57 = 395,693.11/x
  3. Step 3: Cross multiply
    397,630.66x = 592,234.57 × 395,693.11
  4. Step 4: Simplify right side
    397,630.66x = 234,343,138,852.81
  5. Step 5: Solve for x
    x = 234,343,138,852.81/397,630.66
  6. Step 6: Final answer
    x = 589,348.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.